Finding the Fourth Proportional to 21,433.01, 29,587.80 and 14,274.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,433.01 : 29,587.80 = 14,274.83 : x
2. Step 2: Convert to fraction form
   21,433.01/29,587.80 = 14,274.83/x
3. Step 3: Cross multiply
   21,433.01x = 29,587.80 × 14,274.83
4. Step 4: Simplify right side
   21,433.01x = 422,360,667.14
5. Step 5: Solve for x
   x = 422,360,667.14/21,433.01
6. Step 6: Final answer
   x = 19,706.09